Patent US2640183A successfully refreshed from Google Patents.
US2640183A
Expired / Lapsed
US
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Multipoint plug and jack
Assignee: Kellogg Switchboard and Supply Co
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Filing: 1950-03-24
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Granted: 1953-05-26
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Expires: 1970-03-24
Abstract
No abstract record available.
Inventors
- 👤 Richard P Arthur
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:29
CPC Classifications
H; H01; H01R; H01R24/00; H01R24/66; H04; H04Q; H04Q1/00; H04Q1/02; H04Q1/14; H04Q1/142; H01R13/00; H01R13/02; H01R13/10; H01R13/11; H01R13/112; H01R2107/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1027337A
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US1122290A
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GB236749A
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US2071713A
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US2433358A
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US2430011A
Cited
US2435136A
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US2510944A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-05-25 | 1956-11-24 | 1957-05-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-05-25 | 1960-11-24 | 1961-05-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-05-25 | 1964-11-24 | 1965-05-26 | $7700.00 | Window Closed / Lapsed |